Description

1,2-Difluoro-4-Ethylsulfonylbenzene is a high-purity, fluorinated aromatic sulfone building block of significant importance in advanced organic synthesis. Its core value lies in its unique molecular structure, which combines fluorine atoms with an ethylsulfonyl group to impart specific electronic and steric properties. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of new drug candidates, particularly in areas requiring fluorinated bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides where the difluoro and sulfonyl motifs enhance biological activity and stability.
• Material Science Research: Serves as a precursor for specialty polymers, liquid crystals, and electronic materials that benefit from fluorine incorporation.
• Organic Synthesis Building Block: Employed in cross-coupling reactions, nucleophilic substitutions, and as a scaffold for constructing complex heterocyclic compounds in R&D laboratories.
• Chemical Reference Standard: Used for analytical method development, calibration, and quality control in chemical manufacturing processes.

Basic Information

Product Name	1,2-Difluoro-4-Ethylsulfonylbenzene
CAS No.	845617-59-6
Molecular Formula	C8H8F2O2S
Molecular Weight	206.21 g/mol
Synonyms	4-Ethylsulfonyl-1,2-difluorobenzene; 1,2-Difluoro-4-(ethylsulfonyl)benzene; Benzene, 1,2-difluoro-4-(ethylsulfonyl)-; 3,4-Difluorophenyl ethyl sulfone
EINECS	Contact for details

Quality Control

Our 1,2-Difluoro-4-Ethylsulfonylbenzene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is subjected to rigorous analytical testing, including HPLC, GC, and NMR, to verify identity and purity against established specifications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.